Feat/rehype-citation (#270)

* feat: add rehype-citation and upgrade to next 12.0.3

* docs: update docs

README.md

@@ -26,7 +26,7 @@ Feature request? Check the past discussions to see if it has been brough up prev
 - [David Levai's digital garden](https://davidlevai.com/) - customized design and added email subscriptions
 - [Thinh's Corner](https://thinhcorner.com/) - [customized layout](https://github.com/Th1nhNg0/th1nhng0.vercel.app/blob/5e73a420828d82f01e7147512a2c3273c4ec19f8/layouts/PostLayout.js) with sticky side table of contents
 - [Leo's Blog](https://leohuynh.dev) - Tuan Anh Huynh's personal site. Add Snippets Page, Author Profile Card, Image Lightbox, ...
-- [thvu.dev](https://thvu.dev) - Added `mdx-embed`, view count, reading minutes and more. Keep reading at: [Over-engineering thvu.dev](https://www.thvu.dev/blog/over-engineering-thvu-dev)
+- [thvu.dev](https://thvu.dev) - Added `mdx-embed`, view count, reading minutes and more.
 
 Using the template? Feel free to create a PR and add your blog to this list.
 
@@ -47,6 +47,7 @@ I wanted it to be nearly as feature-rich as popular blogging templates like [bea
 - [MDX - write JSX in markdown documents!](https://mdxjs.com/)
 - Server-side syntax highlighting with line numbers and line highlighting via [rehype-prism-plus](https://github.com/timlrx/rehype-prism-plus)
 - Math display supported via [KaTeX](https://katex.org/)
+- Citation and biliography support via [rehype-citation](https://github.com/timlrx/rehype-citation)
 - Automatic image optimization via [next/image](https://nextjs.org/docs/basic-features/image-optimization)
 - Flexible data retrieval with [mdx-bundler](https://github.com/kentcdodds/mdx-bundler)
 - Support for tags - each unique tag will be its own page